20513304595

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{31081}}^1$

素因数の和:31375

約数の個数: 32

約数和(自身を含む): 28555655040

約数和(自身を除く): 8042350445

約数列:

[1, 5, 7, 35, 109, 173, 545, 763, 865, 1211, 3815, 6055, 18857, 31081, 94285, 131999, 155405, 217567, 659995, 1087835, 3387829, 5377013, 16939145, 23714803, 26885065, 37639091, 118574015, 188195455, 586094417, 2930472085, 4102660919, 20513304595]

約数ペア:

[(1, 20513304595), (5, 4102660919), (7, 2930472085), (35, 586094417), (109, 188195455), (173, 118574015), (545, 37639091), (763, 26885065), (865, 23714803), (1211, 16939145), (3815, 5377013), (6055, 3387829), (18857, 1087835), (31081, 659995), (94285, 217567), (131999, 155405)]